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在森林水文作用研究中,一般都从林冠截留、枯落物持水和林地下渗这三个方面,对其机理进行研究。林冠截留是各种林分发挥其森林水文作用的第一道防线,定量指标为林冠截留量。林冠截留
In the research on the hydrological function of forest, the mechanism is generally studied from the following aspects: canopy interception, litter water holding and infiltration of forestland. Canopy interception is the first line of defense for all kinds of forests to exert their hydrological functions. The quantitative index is the canopy interception. Canopy interception